What you need to do when you travel to England depends on whether you qualify as fully vaccinated or not. To qualify under the fully vaccinated rules for travel to England, you must have been fully vaccinated with a full course of an approved vaccine in the UK or one of the countries and territories listed below.

You can still travel to England if you do not qualify as fully vaccinated but you must follow different rules.
Read the rules about travelling to England from another country.

Read all details here.